What Is JTable In Java Swing?

The JTable class is a part of Java Swing Package and is generally

used to display or edit two-dimensional data that is having both rows and columns

. It is similar to a spreadsheet. This arranges data in a tabular form.

What is a JTable in Java?

The JTable is

used to display and edit regular two-dimensional tables of cells

. See How to Use Tables in The Java Tutorial for task-oriented documentation and examples of using JTable . … JTable s are typically placed inside of a JScrollPane .

What is DefaultTableModel Java?

This is an implementation of TableModel that uses a Vector of Vectors to store the cell value objects. Warning: DefaultTableModel

returns a column class of Object

. When DefaultTableModel is used with a TableRowSorter this will result in extensive use of toString , which for non- String data types is expensive.

What is a JScrollPane?

A JScrollPane provides

a scrollable view of a component

. When screen real estate is limited, use a scroll pane to display a component that is large or one whose size can change dynamically. Other containers used to save screen space include split panes and tabbed panes. The code to create a scroll pane can be minimal.

What is TableModel in Java Swing?

The TableModel interface

specifies the methods the JTable will use to interrogate a tabular data model

. The JTable can be set up to display any data model which implements the TableModel interface with a couple of lines of code: … For further documentation, see Creating a Table Model in The Java Tutorial.

What is JTree function?

What is JCheckBox in Java?

The JCheckBox class is

used to create a checkbox

. It is used to turn an option on (true) or off (false). Clicking on a CheckBox changes its state from “on” to “off” or from “off” to “on “. It inherits JToggleButton class.

What is getModel in Java?

getModel() Method

This

method returns information on the current data model during

the processing of a personalized reverse engineering. The list of available data is described in the pPropertyName values table.

What is a table model?

Definition. Table Model is

a data model created directly from an existing database table

. This is like an abstract representation of your underlying table which you can easily manipulate, annotate, add custom dimensions and measures.

How fetch data from database to JTable in Java?

1. DisplayEmpData.java. …
2. emp.sql. …
3. Open the NetBeans IDE.
4. Choose “Java” -> “Java Application” as in the following.
5. Now type your project name as “JTableApp” as in the following.
6. Now create a new Java Class with the name “DisplayEmpData” and provide the following code for it.

What is the difference between JScrollPane and scrollbar?

A JScrollBar is a component and it doesn’t handle its own events whereas

a JScrollPane is a Container and it handles its own events and performs its own scrolling

. A JScrollBar cannot have a JScrollPane whereas a JScrollPane can have a JScrollBar.

What is difference between scrollbar and scrollPane?

A Scrollbar is a Component, but not a Container. A

ScrollPane

is a Container. A ScrollPane handles its own events and performs its own scrolling.

What is setBounds in Java Swing?

setBounds is

used to define the bounding rectangle of a component

. This includes it’s position and size. The is used in a number of places within the framework. It is used by the layout manager’s to define the position and size of a component within it’s parent container.

How do you swing a table in Java?

1. import javax.swing.*;
2. import javax.swing.event.*;
3. public class TableExample {
4. public static void main(String[] a) {
5. JFrame f = new JFrame(“Table Example”);
6. String data[][]={ {“101′′,”Amit”,”670000′′},
7. {“102′′,”Jai”,”780000′′},
8. {“101′′,”Sachin”,”700000′′}};

What are the methods of Abstractbutton class in Java Swing?

How do you represent a table in Java?

Guava’s Table is a collection that represents a table like structure containing rows, columns and the associated cell values. The row and the column act as an ordered pair of keys. The row and column act as an ordered pair of keys.